Home / 54,005.04-81,025.32-25,554.21

Finding the Fourth Proportional to 54,005.04, 81,025.32 and 25,554.21

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Solution

The fourth proportional to 54,005.04, 81,025.32 and 25,554.21 is: 38,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.04 : 81,025.32 = 25,554.21 : x
  2. Step 2: Convert to fraction form
    54,005.04/81,025.32 = 25,554.21/x
  3. Step 3: Cross multiply
    54,005.04x = 81,025.32 × 25,554.21
  4. Step 4: Simplify right side
    54,005.04x = 2,070,538,042.60
  5. Step 5: Solve for x
    x = 2,070,538,042.60/54,005.04
  6. Step 6: Final answer
    x = 38,339.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.